}
      else -> {
        throw ProtocolException("Unknown control opcode: " + opcode.toHexString())
      }
    }
  }

  @Throws(IOException::class)
  private fun readMessageFrame() {
    val opcode = this.opcode
    if (opcode != OPCODE_TEXT && opcode != OPCODE_BINARY) {
      throw ProtocolException("Unknown opcode: ${opcode.toHexString()}")
    }

    readMessage()

        switch ( this.opCode ) {
        case QUERY:
            opCodeString = "QUERY";
            break;
        case WACK:
            opCodeString = "WACK";
            break;
        default:
            opCodeString = Integer.toString(this.opCode);
            break;
        }
        switch ( this.resultCode ) {
        case FMT_ERR:

                recordClassString;

        switch( opCode ) {
            case QUERY:
                opCodeString = "QUERY";
                break;
            case WACK:
                opCodeString = "WACK";
                break;
            default:
                opCodeString = Integer.toString( opCode );
                break;
        }
        switch( resultCode ) {

// ARMMRCOffset implements the peculiar encoding of the MRC and MCR instructions.
// The difference between MRC and MCR is represented by a bit high in the word, not
// in the usual way by the opcode itself. Asm must use AMRC for both instructions, so
// we return the opcode for MRC so that asm doesn't need to import obj/arm.
func ARMMRCOffset(op obj.As, cond string, x0, x1, x2, x3, x4, x5 int64) (offset int64, op0 obj.As, ok bool) {
	op1 := int64(0)

    }
    int writeRDataWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readRDataWireFormat( byte[] src, int srcIndex ) {
        if( resultCode != 0 || opCode != QUERY ) {
            return 0;
        }
        boolean groupName = (( src[srcIndex] & 0x80 ) == 0x80 ) ? true : false;
        int nodeType = ( src[srcIndex] & 0x60 ) >> 5;
        srcIndex += 2;

  internal const val B0_FLAG_RSV2 = 32

  /** Byte 0 reserved flag 3. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV3 = 16

  /** Byte 0 mask for the frame opcode. */
  internal const val B0_MASK_OPCODE = 15

  /** Flag in the opcode which indicates a control frame. */
  internal const val OPCODE_FLAG_CONTROL = 8

  /**
   * Byte 1 flag for whether the payload data is masked.
   *

  @Throws(IOException::class)
  private fun writeControlFrame(
    opcode: Int,
    payload: ByteString,
  ) {
    if (writerClosed) throw IOException("closed")

    val length = payload.size
    require(length <= PAYLOAD_BYTE_MAX) {
      "Payload size must be less than or equal to $PAYLOAD_BYTE_MAX"
    }

    val b0 = B0_FLAG_FIN or opcode
    sinkBuffer.writeByte(b0)

    var b1 = length

    @Override
    int writeRDataWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override
    int readRDataWireFormat ( byte[] src, int srcIndex ) {
        if ( this.resultCode != 0 || this.opCode != QUERY ) {
            return 0;
        }
        boolean groupName = ( ( src[ srcIndex ] & 0x80 ) == 0x80 ) ? true : false;
        int nodeType = ( src[ srcIndex ] & 0x60 ) >> 5;
        srcIndex += 2;

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This contains the valid opcode combinations available
// in cmd/internal/obj/ppc64/asm9.go which exist for
// POWER10/ISA 3.1.

#include "../../../../../runtime/textflag.h"

TEXT asmtest(SB), DUPOK|NOSPLIT, $0
	BRD R1, R2                              // 7c220176

	}
	readDataInto := func(dst []byte, s ws.State, want ws.OpCode) ([]byte, error) {
		dst = dst[:0]
		for {
			hdr, err := wsReader.NextFrame()
			if err != nil {
				return nil, err
			}
			if hdr.OpCode.IsControl() {
				if err := controlHandler(hdr, &wsReader); err != nil {
					return nil, err
				}
				continue
			}
			if hdr.OpCode&want == 0 {
				if err := wsReader.Discard(); err != nil {